:root {
  --brand: #7C5C8E;
  --brand-soft: #B89ABF;
  --ink: #25212A;
  --paper: #F8F5F3;
  --paper-2: #EEE8EF;
  --text: #302C33;
  --muted: #726B76;
  --accent: #D58A45;
  --line: rgba(37, 33, 42, .13);
  --line-strong: rgba(37, 33, 42, .22);
  --white: #fff;
  --shadow: 0 18px 48px rgba(37, 33, 42, .08);
  --radius: 22px;
  --radius-sm: 14px;
  --shell: min(1180px, calc(100% - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
body.is-locked { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .18em; }
button, input { font: inherit; }
button { color: inherit; }
code { padding: .12em .36em; border-radius: 6px; background: var(--paper-2); font-size: .92em; }
::selection { background: rgba(124, 92, 142, .2); }
.shell { width: var(--shell); margin-inline: auto; }
.narrow-copy { max-width: 820px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: 12px; z-index: 999; transform: translateY(-160%); padding: 10px 14px; border-radius: 9px; background: var(--ink); color: var(--white); }
.skip-link:focus { transform: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  border-bottom: 1px solid rgba(37,33,42,.08);
  background: rgba(248,245,243,.94);
  backdrop-filter: blur(16px);
}
.site-header__inner { min-height: 76px; display: flex; align-items: center; gap: 24px; }
.brand-mark { display: inline-flex; align-items: center; gap: 11px; flex: none; color: var(--ink); font-weight: 800; text-decoration: none; letter-spacing: .02em; }
.brand-mark img { width: 44px; height: 44px; object-fit: contain; }
.primary-nav { display: flex; align-items: center; gap: 6px; margin-left: 18px; }
.primary-nav a { padding: 10px 12px; border-radius: 999px; color: var(--muted); font-size: 14px; text-decoration: none; }
.primary-nav a:hover, .primary-nav a.is-active { background: var(--paper-2); color: var(--brand); }
.search-open { margin-left: auto; padding: 10px 15px; border: 1px solid var(--line-strong); border-radius: 999px; background: transparent; cursor: pointer; }
.search-open:hover { border-color: var(--brand); color: var(--brand); }
.menu-toggle { display: none; width: 42px; height: 42px; margin-left: auto; padding: 9px; border: 0; background: transparent; cursor: pointer; }
.menu-toggle i { display: block; width: 100%; height: 2px; margin: 5px 0; background: var(--ink); border-radius: 2px; }

.search-modal[hidden] { display: none !important; }
.search-modal { position: fixed; inset: 0; z-index: 200; display: grid; place-items: start center; padding: 11vh 24px 24px; }
.search-modal__backdrop { position: absolute; inset: 0; background: rgba(37,33,42,.62); }
.search-modal__panel { position: relative; z-index: 1; width: min(680px, 100%); padding: 38px; border-radius: 24px; background: var(--paper); box-shadow: 0 28px 90px rgba(0,0,0,.26); }
.search-modal__panel h2 { margin: 4px 0 24px; color: var(--ink); font-size: clamp(26px, 4vw, 42px); line-height: 1.15; }
.search-modal__close { position: absolute; right: 18px; top: 14px; width: 42px; height: 42px; border: 0; border-radius: 50%; background: var(--paper-2); cursor: pointer; font-size: 26px; line-height: 1; }
.search-form label, .search-page-form label { display: block; margin-bottom: 8px; font-size: 14px; font-weight: 700; color: var(--muted); }
.search-form__row, .search-page-form > div { display: flex; gap: 10px; }
.search-form input, .search-page-form input { width: 100%; min-width: 0; padding: 14px 16px; border: 1px solid var(--line-strong); border-radius: 12px; background: var(--white); outline: none; }
.search-form input:focus, .search-page-form input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(124,92,142,.13); }
.search-form button, .search-page-form button { flex: none; padding: 13px 20px; border: 0; border-radius: 12px; background: var(--brand); color: var(--white); font-weight: 800; cursor: pointer; }

.eyebrow { margin: 0 0 10px; color: var(--brand); font-size: 12px; line-height: 1.4; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.lead, .lede, .article-deck { color: var(--muted); font-size: clamp(18px, 2.1vw, 22px); line-height: 1.75; }
.primary-action, .button { display: inline-flex; justify-content: center; align-items: center; min-height: 48px; padding: 11px 19px; border-radius: 999px; background: var(--brand); color: var(--white); font-weight: 800; text-decoration: none; box-shadow: 0 8px 24px rgba(124,92,142,.17); }
.primary-action:hover, .button:hover { background: var(--ink); }
.primary-action--small { min-height: 42px; padding: 9px 16px; font-size: 14px; }
.text-link, .light-link { font-weight: 800; color: var(--brand); }
.light-link { color: #fff; }
.inline-actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 30px; }

.home-lead { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(360px,.95fr); gap: 70px; align-items: center; min-height: 620px; padding-block: 72px 82px; }
.home-lead__copy h1 { max-width: 760px; margin: 0; color: var(--ink); font-size: clamp(42px, 5.4vw, 72px); line-height: 1.08; letter-spacing: -.035em; }
.home-lead__copy .lead { max-width: 760px; margin: 24px 0 0; }
.home-lead__visual { margin: 0; }
.home-lead__visual img { width: 100%; aspect-ratio: 1 / 1.08; object-fit: cover; border-radius: 38% 38% 16% 38%; box-shadow: var(--shadow); }
.home-lead__visual figcaption { margin: 14px 6px 0; color: var(--muted); font-size: 13px; }
.content-ribbon { border-block: 1px solid var(--line); background: var(--paper-2); }
.ribbon-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: center; padding-block: 35px; }
.ribbon-grid h2 { margin: 0; color: var(--ink); font-size: clamp(24px, 3vw, 36px); line-height: 1.3; }
.ribbon-links { display: grid; grid-template-columns: repeat(3,1fr); border-left: 1px solid var(--line); }
.ribbon-links a { display: grid; gap: 4px; padding: 14px 22px; border-right: 1px solid var(--line); text-decoration: none; }
.ribbon-links span { color: var(--ink); font-weight: 850; }
.ribbon-links small { color: var(--muted); line-height: 1.55; }
.ribbon-links a:hover span { color: var(--brand); }

.editorial-section { padding-block: 88px; }
.section-pad { padding-block: 76px 92px; }
.section-heading { max-width: 780px; margin-bottom: 38px; }
.section-heading h2 { margin: 0; color: var(--ink); font-size: clamp(31px, 4vw, 48px); line-height: 1.18; letter-spacing: -.025em; }
.section-heading > p:not(.eyebrow) { margin: 15px 0 0; color: var(--muted); }
.section-heading--split { display: grid; grid-template-columns: minmax(0,1fr) minmax(300px,.62fr); gap: 56px; max-width: none; align-items: end; }
.section-heading--split > p { margin: 0; }
.home-feature-layout { display: grid; grid-template-columns: minmax(0,.92fr) minmax(420px,1.08fr); gap: 52px; align-items: start; }
.feature-story { position: sticky; top: 110px; }
.feature-story img { width: 100%; aspect-ratio: 1.35 / 1; object-fit: cover; border-radius: var(--radius); margin-bottom: 22px; }
.feature-story h3 { margin: 5px 0 12px; color: var(--ink); font-size: clamp(26px,3vw,39px); line-height: 1.22; }
.feature-story h3 a { text-decoration: none; }
.feature-story p:not(.eyebrow) { color: var(--muted); }
.feature-stack { border-top: 1px solid var(--line); }
.editorial-row { display: grid; grid-template-columns: 125px 1fr; gap: 22px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.editorial-row__meta { display: flex; flex-direction: column; gap: 8px; color: var(--muted); font-size: 12px; }
.editorial-row__meta .eyebrow { margin: 0; }
.editorial-row__body h3 { margin: 0 0 8px; color: var(--ink); font-size: 20px; line-height: 1.35; }
.editorial-row__body h3 a { text-decoration: none; }
.editorial-row__body h3 a:hover { color: var(--brand); }
.editorial-row__body p { margin: 0 0 9px; color: var(--muted); font-size: 14px; }
.editorial-row__body .text-link { font-size: 13px; }

.soft-band, .tinted-band { background: var(--paper-2); }
.split-media { display: grid; grid-template-columns: minmax(340px,.85fr) minmax(0,1.15fr); gap: 72px; align-items: center; padding-block: 86px; }
.split-media__visual img { width: 100%; aspect-ratio: .92 / 1; object-fit: cover; border-radius: 42px 12px 42px 12px; }
.split-media__copy h2 { margin: 0 0 20px; color: var(--ink); font-size: clamp(31px,4vw,49px); line-height: 1.2; }
.split-media__copy > p:not(.eyebrow) { color: var(--muted); }
.plain-checks { padding: 0; margin: 26px 0 28px; list-style: none; }
.plain-checks li { position: relative; padding: 11px 0 11px 28px; border-bottom: 1px solid var(--line); }
.plain-checks li::before { content: ""; position: absolute; left: 2px; top: 21px; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.collection-strip { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.collection-strip__item { min-width: 0; text-decoration: none; }
.collection-strip__item img { width: 100%; aspect-ratio: .88 / 1; object-fit: cover; border-radius: 18px; filter: saturate(.86); transition: transform .24s ease; }
.collection-strip__item:hover img { transform: translateY(-4px); }
.collection-strip__text { display: grid; gap: 4px; padding: 14px 2px 0; }
.collection-strip__text strong { color: var(--ink); }
.collection-strip__text small { color: var(--muted); line-height: 1.55; }

.dark-band { background: var(--ink); color: #e9e3eb; }
.dark-band__grid { display: grid; grid-template-columns: minmax(0,.9fr) minmax(420px,1.1fr); gap: 86px; padding-block: 82px; align-items: center; }
.dark-band .eyebrow { color: #d5bfdc; }
.dark-band h2 { margin: 0 0 20px; color: #fff; font-size: clamp(32px,4.2vw,52px); line-height: 1.16; }
.dark-band p { color: #c9c0cc; }
.numbered-notes { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.16); }
.numbered-notes li { display: grid; grid-template-columns: 62px 1fr; gap: 18px; padding: 21px 0; border-bottom: 1px solid rgba(255,255,255,.16); }
.numbered-notes li > span { color: #d5bfdc; font-weight: 850; }
.numbered-notes strong { display: block; color: #fff; font-size: 19px; }
.numbered-notes p { margin: 5px 0 0; font-size: 14px; }

.brand-context { display: grid; grid-template-columns: .74fr 1.26fr; gap: 68px; align-items: start; }
.brand-context__intro { position: sticky; top: 110px; }
.brand-context__intro h2 { margin: 0 0 18px; color: var(--ink); font-size: clamp(29px,3.8vw,44px); line-height: 1.22; }
.brand-context__intro p:not(.eyebrow) { color: var(--muted); }
.alias-grid { border-top: 1px solid var(--line); }
.alias-grid > div { display: grid; grid-template-columns: 150px 120px 1fr; gap: 18px; padding: 23px 0; border-bottom: 1px solid var(--line); }
.alias-grid strong { color: var(--ink); font-size: 19px; }
.alias-grid span { color: var(--brand); font-size: 13px; font-weight: 800; }
.alias-grid p { margin: 0; color: var(--muted); font-size: 14px; }
.soft-band--compact { margin-top: 8px; }
.assist-grid { display: grid; grid-template-columns: 1fr 330px; gap: 62px; align-items: center; padding-block: 60px; }
.assist-grid h2 { margin: 0 0 14px; color: var(--ink); font-size: clamp(28px,3.7vw,43px); line-height: 1.2; }
.assist-grid p:not(.eyebrow) { color: var(--muted); }
.assist-grid img { width: 100%; aspect-ratio: 1.05 / 1; object-fit: cover; border-radius: 42% 42% 16% 42%; }
.home-close { display: grid; grid-template-columns: 1fr auto; gap: 42px; align-items: end; padding-block: 68px; }
.home-close h2 { margin: 0 0 12px; color: var(--ink); font-size: clamp(27px,3.5vw,40px); line-height: 1.22; }
.home-close p:not(.eyebrow) { max-width: 790px; color: var(--muted); }

.breadcrumbs { margin-bottom: 28px; font-size: 13px; color: var(--muted); }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 7px; margin: 0; padding: 0; list-style: none; }
.breadcrumbs li:not(:last-child)::after { content: "/"; margin-left: 7px; color: rgba(114,107,118,.55); }
.breadcrumbs a { text-decoration: none; }
.breadcrumbs a:hover { color: var(--brand); }
.page-top, .page-intro { padding-block: 68px 58px; }
.page-top h1, .page-intro h1 { max-width: 900px; margin: 0; color: var(--ink); font-size: clamp(38px,5.4vw,66px); line-height: 1.09; letter-spacing: -.03em; }
.page-top .lead, .page-intro .lede { max-width: 850px; margin: 22px 0 0; }
.page-top--media, .page-intro--split { display: grid; grid-template-columns: minmax(0,1.08fr) minmax(320px,.72fr); gap: 70px; align-items: center; }
.page-top--media > img, .page-intro__media img { width: 100%; aspect-ratio: 1.17 / 1; object-fit: cover; border-radius: 28px; box-shadow: var(--shadow); }
.page-intro__media { margin: 0; }
.page-intro__media--small { max-width: 470px; justify-self: end; }
.page-kicker { display: flex; gap: 8px; margin-bottom: 26px; }
.page-kicker span { padding: 6px 11px; border-radius: 999px; background: var(--paper-2); color: var(--brand); font-size: 12px; font-weight: 800; }

.category-index { padding: 32px 0 56px; }
.category-index > h2 { max-width: 720px; margin: 0 0 24px; color: var(--ink); font-size: 30px; line-height: 1.3; }
.category-index__grid { display: grid; grid-template-columns: repeat(5,1fr); border-block: 1px solid var(--line); }
.category-index__grid a { display: grid; gap: 5px; padding: 20px 15px; border-right: 1px solid var(--line); text-decoration: none; }
.category-index__grid a:last-child { border-right: 0; }
.category-index__grid span { color: var(--ink); font-weight: 850; }
.category-index__grid small { color: var(--muted); }
.category-index__grid a:hover span { color: var(--brand); }
.category-section { padding-block: 58px 72px; border-top: 1px solid var(--line); }
.dense-list { border-top: 1px solid var(--line); }
.dense-list--two-col { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 42px; }
.dense-list--two-col .editorial-row { grid-template-columns: 1fr; gap: 7px; }
.dense-list--two-col .editorial-row__meta { flex-direction: row; }
.next-path { display: flex; justify-content: space-between; gap: 48px; align-items: center; padding-block: 62px; }
.next-path h2 { margin: 0 0 12px; color: var(--ink); font-size: clamp(27px,3.5vw,40px); line-height: 1.25; }
.next-path p:not(.eyebrow) { max-width: 760px; margin-bottom: 0; color: var(--muted); }

.collection-page-list { padding-bottom: 80px; }
.collection-block { padding: 70px 0; border-top: 1px solid var(--line); scroll-margin-top: 96px; }
.collection-block__intro { display: grid; grid-template-columns: 300px 1fr; gap: 48px; align-items: center; margin-bottom: 30px; }
.collection-block__intro img { width: 100%; aspect-ratio: 1.35 / 1; object-fit: cover; border-radius: 18px; }
.collection-block__intro h2 { margin: 0 0 12px; color: var(--ink); font-size: clamp(28px,3.7vw,44px); line-height: 1.2; }
.collection-block__intro p:not(.eyebrow) { max-width: 700px; color: var(--muted); }
.collection-steps { margin: 0 0 0 348px; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.collection-steps li { display: grid; grid-template-columns: 52px 1fr; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.collection-steps > li > span { color: var(--brand-soft); font-weight: 900; }
.collection-steps h3 { margin: 0 0 6px; color: var(--ink); font-size: 19px; }
.collection-steps h3 a { text-decoration: none; }
.collection-steps p { margin: 0 0 5px; color: var(--muted); font-size: 14px; }
.collection-steps small { color: var(--brand); }

.screen-compare { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; padding-block: 25px 44px; }
.screen-compare__col { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); }
.screen-compare__col--accent { background: var(--paper-2); border-color: transparent; }
.screen-compare__col img { width: 100%; aspect-ratio: 1.7 / 1; object-fit: cover; border-radius: 14px; margin-bottom: 24px; }
.screen-compare__col h2 { margin: 0 0 13px; color: var(--ink); font-size: 30px; line-height: 1.25; }
.screen-compare__col p:not(.eyebrow) { color: var(--muted); }

.split-copy { display: grid; grid-template-columns: .78fr 1.22fr; gap: 76px; padding-block: 72px; }
.split-copy h2 { margin: 0; color: var(--ink); font-size: clamp(29px,3.8vw,44px); line-height: 1.2; }
.prose p { margin-top: 0; color: var(--muted); }
.prose strong { color: var(--ink); }
.alias-ledger { display: grid; grid-template-columns: repeat(2,1fr); gap: 0 36px; border-top: 1px solid var(--line); }
.alias-ledger article { position: relative; padding: 26px 0; border-bottom: 1px solid var(--line); }
.alias-ledger article > span { color: var(--brand); font-size: 12px; font-weight: 850; letter-spacing: .08em; }
.alias-ledger h3 { margin: 4px 0 8px; color: var(--ink); font-size: 24px; }
.alias-ledger p { margin: 0; color: var(--muted); }
.link-index { display: grid; gap: 14px; }
.link-index--two { grid-template-columns: repeat(2,1fr); }
.link-index--three { grid-template-columns: repeat(3,1fr); }
.link-index a { display: grid; gap: 7px; min-height: 145px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius-sm); text-decoration: none; transition: transform .2s ease, border-color .2s ease; }
.link-index a:hover { transform: translateY(-3px); border-color: var(--brand-soft); }
.link-index strong { color: var(--ink); font-size: 19px; }
.link-index span { color: var(--muted); font-size: 14px; }

.check-list { counter-reset: checks; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.check-list li { display: grid; grid-template-columns: 80px 1fr; gap: 26px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.check-list li > span { display: grid; place-items: center; align-self: start; width: 48px; height: 48px; border-radius: 50%; background: var(--brand); color: var(--white); font-weight: 900; }
.check-list h3 { margin: 0 0 8px; color: var(--ink); font-size: 22px; }
.check-list p { margin: 0; color: var(--muted); }
.note-stack { max-width: 900px; margin-inline: auto; }
.note-stack article { padding: 32px 0; border-top: 1px solid var(--line); }
.note-stack article:last-child { border-bottom: 1px solid var(--line); }
.note-stack h2 { margin: 0 0 10px; color: var(--ink); font-size: 28px; }
.note-stack p { margin: 0; color: var(--muted); }
.warning-strip { padding-block: 64px; background: #f0e5d9; }
.warning-strip .shell { max-width: 900px; }
.warning-strip h2 { margin: 0 0 14px; color: var(--ink); font-size: clamp(29px,4vw,45px); line-height: 1.2; }
.warning-strip p:not(.eyebrow) { color: #655647; }

.guide-flow { max-width: 930px; margin-inline: auto; }
.guide-flow article { display: grid; grid-template-columns: 110px 1fr; gap: 28px; padding: 34px 0; border-top: 1px solid var(--line); }
.guide-flow article:last-child { border-bottom: 1px solid var(--line); }
.guide-flow__number { color: var(--brand-soft); font-size: 38px; font-weight: 900; line-height: 1; }
.guide-flow h2 { margin: 0 0 10px; color: var(--ink); font-size: 29px; }
.guide-flow p { margin: 0; color: var(--muted); }
.scenario-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.scenario-grid article { padding: 25px; border-radius: var(--radius-sm); background: rgba(255,255,255,.52); }
.scenario-grid h3 { margin: 0 0 9px; color: var(--ink); font-size: 22px; }
.scenario-grid p { color: var(--muted); }

.faq-list { max-width: 900px; margin-inline: auto; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item h2 { margin: 0; font-size: 18px; }
.faq-item button { width: 100%; display: flex; justify-content: space-between; gap: 24px; align-items: center; padding: 24px 0; border: 0; background: transparent; color: var(--ink); text-align: left; font-weight: 800; cursor: pointer; }
.faq-item button i { font-style: normal; color: var(--brand); font-size: 24px; transition: transform .2s ease; }
.faq-item button[aria-expanded="true"] i { transform: rotate(45deg); }
.faq-answer { padding: 0 48px 24px 0; }
.faq-answer[hidden] { display: none !important; }
.faq-answer p { margin: 0; color: var(--muted); }
.link-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.link-list a { position: relative; padding: 15px 30px 15px 0; border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none; font-weight: 750; }
.link-list a::after { content: "→"; position: absolute; right: 0; color: var(--brand); }
.link-list a:hover { color: var(--brand); }

.principle-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 52px 66px; }
.principle-grid article { padding-top: 20px; border-top: 1px solid var(--line); }
.principle-grid h2 { margin: 0 0 12px; color: var(--ink); font-size: 29px; line-height: 1.28; }
.principle-grid p:not(.eyebrow) { color: var(--muted); }
.safety-matrix { display: grid; grid-template-columns: repeat(2,1fr); gap: 0 48px; }
.safety-matrix article { display: grid; grid-template-columns: 58px 1fr; grid-template-areas: "num title" "num body"; gap: 3px 20px; padding: 30px 0; border-top: 1px solid var(--line); }
.safety-matrix article > span { grid-area: num; color: var(--brand-soft); font-size: 27px; font-weight: 900; }
.safety-matrix h2 { grid-area: title; margin: 0; color: var(--ink); font-size: 23px; }
.safety-matrix p { grid-area: body; margin: 8px 0 0; color: var(--muted); }
.policy-prose { max-width: 860px; margin-inline: auto; }
.policy-prose h2 { margin: 44px 0 10px; color: var(--ink); font-size: 28px; }
.policy-prose h2:first-child { margin-top: 0; }
.policy-prose p { color: var(--muted); }
.contact-steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.contact-steps article { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); }
.contact-steps article > span { display: inline-flex; padding: 4px 9px; border-radius: 999px; background: var(--paper-2); color: var(--brand); font-size: 12px; font-weight: 850; }
.contact-steps h2 { margin: 16px 0 9px; color: var(--ink); font-size: 23px; line-height: 1.28; }
.contact-steps p { margin: 0; color: var(--muted); }

.search-page-form { max-width: 680px; margin-top: 34px; }
.result-list { max-width: 980px; margin-inline: auto; border-top: 1px solid var(--line); }
.empty-state { max-width: 800px; padding: 36px; border-radius: var(--radius); background: var(--paper-2); }
.empty-state h2 { margin: 0 0 10px; color: var(--ink); font-size: 29px; }
.empty-state p { color: var(--muted); }

.article-page { padding-bottom: 92px; }
.article-hero { max-width: 980px; padding: 68px 0 50px; }
.article-hero h1 { margin: 0; color: var(--ink); font-size: clamp(40px,5.6vw,68px); line-height: 1.08; letter-spacing: -.03em; }
.article-deck { max-width: 850px; margin: 22px 0 0; }
.article-meta { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 24px; color: var(--muted); font-size: 13px; }
.article-layout { display: grid; grid-template-columns: 280px minmax(0,760px); gap: 72px; align-items: start; }
.article-aside { position: sticky; top: 110px; padding: 22px; border-radius: var(--radius-sm); background: var(--paper-2); }
.article-aside h2 { margin: 0 0 12px; color: var(--ink); font-size: 18px; }
.article-aside ul { margin: 0 0 18px; padding-left: 18px; color: var(--muted); font-size: 13px; }
.article-aside li { margin: 8px 0; }
.article-body section { padding: 0 0 36px; }
.article-body h2 { margin: 0 0 12px; color: var(--ink); font-size: clamp(25px,3vw,33px); line-height: 1.3; }
.article-body p { margin: 0; color: #4e4851; font-size: 17px; line-height: 1.9; }
.related-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.related-grid article { padding: 21px; border-radius: var(--radius-sm); background: rgba(255,255,255,.55); }
.related-grid article > span { color: var(--brand); font-size: 12px; font-weight: 800; }
.related-grid h3 { margin: 8px 0; color: var(--ink); font-size: 18px; line-height: 1.4; }
.related-grid h3 a { text-decoration: none; }
.related-grid p { margin: 0; color: var(--muted); font-size: 13px; }

.not-found { min-height: 68vh; padding-block: 78px; }
.error-code { margin: 0; color: var(--brand-soft); font-size: clamp(72px,15vw,170px); font-weight: 900; line-height: .8; letter-spacing: -.06em; }
.not-found > h1 { max-width: 800px; margin: 35px 0 14px; color: var(--ink); font-size: clamp(37px,5vw,62px); line-height: 1.1; }
.not-found > p:not(.error-code) { max-width: 780px; color: var(--muted); margin-bottom: 34px; }

.site-footer { border-top: 1px solid var(--line); background: var(--paper-2); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 50px; padding-block: 62px; }
.brand-mark--footer { margin-bottom: 15px; }
.footer-grid > section > p { max-width: 390px; color: var(--muted); font-size: 14px; }
.footer-grid h2 { margin: 5px 0 15px; color: var(--ink); font-size: 14px; }
.footer-grid ul { margin: 0; padding: 0; list-style: none; }
.footer-grid li { margin: 8px 0; }
.footer-grid li a { color: var(--muted); font-size: 13px; text-decoration: none; }
.footer-grid li a:hover { color: var(--brand); }
.footer-bottom { display: flex; justify-content: space-between; gap: 22px; padding-block: 20px 30px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.footer-bottom p { margin: 0; }
.back-top { position: fixed; right: 22px; bottom: 22px; z-index: 60; width: 44px; height: 44px; border: 0; border-radius: 50%; background: var(--brand); color: var(--white); box-shadow: var(--shadow); cursor: pointer; }
.back-top[hidden] { display: none !important; }

@media (max-width: 1024px) {
  :root { --shell: min(100% - 38px, 930px); }
  .primary-nav { gap: 1px; margin-left: 4px; }
  .primary-nav a { padding-inline: 8px; font-size: 13px; }
  .home-lead { gap: 40px; grid-template-columns: 1.05fr .95fr; min-height: 560px; }
  .home-feature-layout { grid-template-columns: .82fr 1.18fr; gap: 38px; }
  .ribbon-grid { grid-template-columns: 1fr; gap: 22px; }
  .ribbon-links { border-left: 0; }
  .collection-strip { grid-template-columns: repeat(2,1fr); gap: 28px 18px; }
  .dark-band__grid { gap: 52px; grid-template-columns: 1fr 1fr; }
  .brand-context { gap: 42px; }
  .page-top--media, .page-intro--split { gap: 44px; }
  .category-index__grid { grid-template-columns: repeat(5,1fr); }
  .article-layout { gap: 45px; grid-template-columns: 240px minmax(0,1fr); }
  .related-grid { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1.6fr repeat(3,1fr); gap: 28px; }
}

@media (max-width: 860px) {
  .site-header__inner { min-height: 68px; }
  .menu-toggle { display: block; }
  .search-open { margin-left: 0; }
  .primary-nav { position: absolute; left: 19px; right: 19px; top: 61px; display: none; flex-direction: column; align-items: stretch; gap: 2px; padding: 12px; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); box-shadow: var(--shadow); }
  .primary-nav.is-open { display: flex; }
  .primary-nav a { padding: 11px 13px; }
  .home-lead { grid-template-columns: 1fr; min-height: 0; padding-block: 54px 64px; }
  .home-lead__visual { max-width: 640px; }
  .home-lead__visual img { aspect-ratio: 1.45 / 1; border-radius: 28px 28px 10px 28px; }
  .section-heading--split, .split-media, .dark-band__grid, .brand-context, .split-copy, .page-top--media, .page-intro--split { grid-template-columns: 1fr; }
  .feature-story, .brand-context__intro, .article-aside { position: static; }
  .home-feature-layout { grid-template-columns: 1fr; }
  .feature-story img { aspect-ratio: 1.65 / 1; }
  .split-media { gap: 34px; }
  .split-media__visual { max-width: 620px; }
  .split-media__visual img { aspect-ratio: 1.6 / 1; border-radius: 28px 10px 28px 10px; }
  .dark-band__grid { gap: 40px; }
  .alias-grid > div { grid-template-columns: 120px 100px 1fr; }
  .assist-grid { grid-template-columns: 1fr 220px; gap: 32px; }
  .home-close, .next-path { align-items: start; flex-direction: column; display: flex; }
  .page-intro__media--small { max-width: 560px; justify-self: start; }
  .category-index__grid { grid-template-columns: repeat(2,1fr); border-bottom: 0; }
  .category-index__grid a { border-bottom: 1px solid var(--line); }
  .category-index__grid a:nth-child(2n) { border-right: 0; }
  .collection-block__intro { grid-template-columns: 220px 1fr; gap: 30px; }
  .collection-steps { margin-left: 250px; }
  .link-index--three { grid-template-columns: repeat(2,1fr); }
  .article-layout { grid-template-columns: 1fr; }
  .article-aside { order: 2; }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 680px) {
  :root { --shell: calc(100% - 30px); }
  body { font-size: 15px; }
  .site-header__inner { gap: 8px; }
  .brand-mark span { font-size: 15px; }
  .brand-mark img { width: 39px; height: 39px; }
  .search-open { padding: 8px 10px; font-size: 12px; }
  .search-modal { padding: 7vh 15px 15px; }
  .search-modal__panel { padding: 30px 20px 22px; }
  .home-lead__copy h1, .page-top h1, .page-intro h1, .article-hero h1 { font-size: clamp(36px,11vw,52px); }
  .lead, .lede, .article-deck { font-size: 17px; }
  .home-lead { gap: 30px; padding-block: 42px 52px; }
  .content-ribbon { overflow: hidden; }
  .ribbon-links { grid-template-columns: 1fr; border-top: 1px solid var(--line); }
  .ribbon-links a { border-right: 0; border-bottom: 1px solid var(--line); padding-inline: 0; }
  .editorial-section, .section-pad { padding-block: 58px; }
  .section-heading { margin-bottom: 28px; }
  .editorial-row { grid-template-columns: 1fr; gap: 7px; }
  .editorial-row__meta { flex-direction: row; align-items: center; }
  .collection-strip { grid-template-columns: repeat(2,1fr); }
  .collection-strip__item img { aspect-ratio: 1 / 1.08; }
  .dark-band__grid { padding-block: 60px; }
  .alias-grid > div { grid-template-columns: 1fr 1fr; }
  .alias-grid p { grid-column: 1 / -1; }
  .assist-grid { grid-template-columns: 1fr; }
  .assist-grid img { max-width: 340px; }
  .page-top, .page-intro { padding-block: 46px 40px; }
  .category-index { padding-top: 16px; }
  .dense-list--two-col, .screen-compare, .alias-ledger, .principle-grid, .safety-matrix, .contact-steps, .scenario-grid { grid-template-columns: 1fr; }
  .collection-block { padding-block: 50px; }
  .collection-block__intro { grid-template-columns: 1fr; }
  .collection-block__intro img { aspect-ratio: 1.7 / 1; }
  .collection-steps { margin-left: 0; }
  .split-copy { gap: 34px; padding-block: 56px; }
  .link-index--two, .link-index--three { grid-template-columns: 1fr; }
  .link-index a { min-height: 0; }
  .check-list li { grid-template-columns: 58px 1fr; gap: 12px; }
  .guide-flow article { grid-template-columns: 64px 1fr; gap: 14px; }
  .guide-flow__number { font-size: 28px; }
  .article-hero { padding-block: 48px 38px; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; padding-block: 48px; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 420px) {
  :root { --shell: calc(100% - 24px); }
  .site-header__inner { min-height: 64px; }
  .brand-mark span { display: none; }
  .menu-toggle { width: 38px; height: 38px; }
  .home-lead__copy h1, .page-top h1, .page-intro h1, .article-hero h1 { font-size: 36px; }
  .home-lead__visual img { aspect-ratio: 1.16 / 1; }
  .inline-actions { align-items: stretch; flex-direction: column; }
  .inline-actions .primary-action, .inline-actions .button { width: 100%; }
  .collection-strip { grid-template-columns: 1fr; }
  .category-index__grid { grid-template-columns: 1fr; }
  .category-index__grid a { border-right: 0; }
  .search-form__row, .search-page-form > div { flex-direction: column; }
  .search-form button, .search-page-form button { width: 100%; }
  .collection-steps li { grid-template-columns: 42px 1fr; }
  .guide-flow article { grid-template-columns: 1fr; }
  .safety-matrix article { grid-template-columns: 46px 1fr; }
  .back-top { right: 14px; bottom: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}